# JET Cloud vs GR EMS

The clearest difference is update cadence: GR EMS at every 3 weeks against JET Cloud's every 4 months. JET Cloud's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

JET Cloud ships an update every 4 months, GR EMS every 3 weeks. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | JET Cloud | GR EMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 93 MB | 54 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Shenzhen Energy Control Cloud Technology Co., Ltd](https://appshunter.io/developer/1765046101) | [Shenzhen Gooree Energy Storage Technology Co., Ltd](https://appshunter.io/developer/1692131968) |

## What reviewers say

### JET Cloud

[App page](https://appshunter.io/ios/app/jet-cloud/id6743224824)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### GR EMS

[App page](https://appshunter.io/ios/app/gr-ems/id6752559020)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is JET Cloud free?

JET Cloud is free to download, with no in-app purchases.

### Is GR EMS free?

GR EMS is free to download, with no in-app purchases.

### Do JET Cloud or GR EMS have ads?

Neither JET Cloud nor GR EMS shows ads.

### Which is updated more often, JET Cloud or GR EMS?

JET Cloud ships an update every 4 months, and GR EMS every 3 weeks. Most recently, JET Cloud was updated on September 9, 2026 and GR EMS on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*